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Finding the Fourth Proportional to 93,591.78, 140,367.05 and 27,017.45

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Solution

The fourth proportional to 93,591.78, 140,367.05 and 27,017.45 is: 40,520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,591.78 : 140,367.05 = 27,017.45 : x
  2. Step 2: Convert to fraction form
    93,591.78/140,367.05 = 27,017.45/x
  3. Step 3: Cross multiply
    93,591.78x = 140,367.05 × 27,017.45
  4. Step 4: Simplify right side
    93,591.78x = 3,792,358,918.10
  5. Step 5: Solve for x
    x = 3,792,358,918.10/93,591.78
  6. Step 6: Final answer
    x = 40,520.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.